Improvement in expanding harrow



tant

dei.

IRA J. HALSTED, OF SPRINGFIEL-D, ILLINO-I S.

'Letters'latent No. 85,582, dated .Tamm/ry 5, 1869. i

MRQVEIMENT IN EXPAN DING- HARRQW.

The Schedule referred to in these Letters Patent and making part of the same.

Be it known that I, IRA J. HALASTED, of the city,

. Hinge Harrow; and I do hereby'declare that the following is a clear, full, and accurate description of the construction and opeiation ofthe same, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

. A is the centre-piece.

B B are the side pieces or wings, so arranged that the space between the front end of them is less than at the rear, so that obstructions can clear themselves,

and thus clogging will be avoided.

ened to each side. The other ends. of these braces are attached tothe inner wings of the harrow by a vnut and screw, b'y which the braces can be adjusted to any required length.

By this arrangement, the wings of a harrow can be raised or spread, the braces sliding easily up the bow .4

without binding, and neither is the lateral motion impeded. l

What I claim as my invention, and desire to secure by Letters Patent, is-

i 1. The combination of the combined hinge O with the projections D,and wings B, and centre-piece A, all arranged substantially as herein described, and`for the purposes set forth.

2. The bow G, constructed and arranged in the manner herein described, and for the purposes setforth.

3. rlhe combination of the bow G, braces F F, Wings B B, and hinges O'O, all arranged substantially as described, and for the purposes set forth.

. IRA J. HALSTED.. vVlitnesses:

GEO. O. MARCY, JOHN F. Bnnrz. 

